ID on this invert

[matt2939]

Best pic I could get on the iPhone. Just noticed it on the glass tonight after lights out. Never seen anything like it before.

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[Zippy69]

Since it was on the zoa a zoanthid eating nudi....not good get rid of it! Check your tank for others.

Sorry, looking at another thread. It still looks like a nudi and is not good. Get rid of it and check the tank probably others.

 

[downbeach]

Google Nudibranch.

 

[dppitone]

Maybe with therapy and a lot of love, he'll stay off the zoas.